From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 25 Jun 2011 14:44:20 +0000 (+0100)
Subject: ARM: entry: rejig register allocation in exception entry handlers
X-Git-Tag: v3.1-rc1~258^2~1^3~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b059bdc39321696fe8f344acb7117d57fbd7b475;p=pandora-kernel.git

ARM: entry: rejig register allocation in exception entry handlers

This allows us to avoid moving registers twice to work around the
clobbered registers when we add calls to trace_hardirqs_{on,off}.

Ensure that all SVC handlers return with SPSR in r5 for consistency.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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